Apps with 'Customize Windows' feature

Open Shell is a fork of Originally Classic Shell by Ivo Beltchev.

The Sysinternals Troubleshooting Utilities have been rolled up into a single Suite of tools. This file contains the individual troubleshooting tools and help files. It does not contain non-troubleshooting tools like the BSOD Screen Saver or NotMyFault.

Not to be confused with the newer Hiren’s BootCD PE

Classic Shell is free software that improves your productivity, enhances the usability of Windows, and empowers you to use the computer the way you like it.

Customize the Windows taskbar with dozens of exclusive options.

FileMenu Tools lets you customize the context (right-click) menu of Windows Explorer.

NTLite, successor of nLite, is the cutting edge Windows configuration tool made by an independent developer.

Make your old PC live longer — and your new PC run faster — with AVG TuneUp. Our PC optimizer comes with revamped Sleep Mode technology to boost your PC speed and performance, and Disk and Browser Cleaners that free your storage space.

Folder Marker Pro lets you label important folders with color-coded or image-coded icons in order to make them easier to spot among hundreds of similar-looking yellow folders.

The Windows 11 version of the Startisback replacement shell. This software allows you to make Windows 11 look like previous versions of Windows or a modified version of itself.

Default Programs Editor is a powerful but simple file association utility for Windows 7, Vista and XP. This free utility has three main functions: context menu editor, auto-play editor, and default programs association editor.

Open-source tool to enforce privacy & security best-practices on Windows and macOS, because privacy is sexy 

ThisIsWin11 lets you customize Windows 11 all in one place. It is slowly expanded as a practical all-rounder for Windows 11, similar to Microsoft PowerToys.

SelfControl is a free and open-source application for Mac OS X that lets you block your own access to distracting websites, your mail servers, or anything else on the Internet. Just set a period of time to block for, add sites to your blacklist, and click "Start.

Shell is a context menu extender that lets you handpick the items to integrate into Windows File Explorer context menu, create custom commands to access all your favorite web pages, files, and folders, and launch any application directly from the context menu.